Home / 18,573.12-25,608.96-15,203.52

Finding the Fourth Proportional to 18,573.12, 25,608.96 and 15,203.52

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Solution

The fourth proportional to 18,573.12, 25,608.96 and 15,203.52 is: 20,962.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,573.12 : 25,608.96 = 15,203.52 : x
  2. Step 2: Convert to fraction form
    18,573.12/25,608.96 = 15,203.52/x
  3. Step 3: Cross multiply
    18,573.12x = 25,608.96 × 15,203.52
  4. Step 4: Simplify right side
    18,573.12x = 389,346,335.54
  5. Step 5: Solve for x
    x = 389,346,335.54/18,573.12
  6. Step 6: Final answer
    x = 20,962.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.